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AstDyS ∴ Objects ∴ 1997YZ4 ∴ Summary
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(31184) 1997YZ4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52403 1.005e-08 au
e 0.180724 4.586e-08
i 4.213 4.646e-06 deg
Ω 65.581 5.235e-05 deg
ω 279.711 5.521e-05 deg
M 273.384 1.971e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0679 au
Aphelion 2.9802 au
Asc. node-Earth separation 1.38312 au
Desc. node-Earth separation 1.50553 au
Earth MOID 1.06563 au
Orbital period 1464.67 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 1637 (9)
Radar observations (Discarded) 0 (0)
Arc length 9331.9 days
Unobserved 314 days

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Ephemeris at epoch 60434 MJD
Right Ascension 259.098 deg
Declination -23.1381 deg
V Magnitude 18.59 mag
Solar Elongation 143.71 deg
Galactic Latitude 8.66 deg
Rate 0.102 deg/day
Direction -101.717 deg

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